Re: [Qemu-devel] [PATCH v4 01/10] block: Introduce API for copy offloading

2018-05-17 Thread Stefan Hajnoczi
On Fri, May 11, 2018 at 08:08:14PM +0800, Fam Zheng wrote: > Introduce the bdrv_co_copy_range() API for copy offloading. Block > drivers implementing this API support efficient copy operations that > avoid reading each block from the source device and writing it to the > destination devices. Exam

[Qemu-devel] [PATCH v4 01/10] block: Introduce API for copy offloading

2018-05-11 Thread Fam Zheng
Introduce the bdrv_co_copy_range() API for copy offloading. Block drivers implementing this API support efficient copy operations that avoid reading each block from the source device and writing it to the destination devices. Examples of copy offload primitives are SCSI EXTENDED COPY and Linux co